US920774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-supply system.
Assignee: Individual
•
Filing: 1908-04-10
•
Granted: 1909-05-04
•
Expires: 1928-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/073; F04B43/0736; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1912-05-03 | 1912-11-02 | 1913-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-05-03 | 1916-11-02 | 1917-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-05-03 | 1920-11-02 | 1921-05-04 | $7700.00 | Window Closed / Lapsed |